1 files changed, 189 insertions, 0 deletions

diff --git a/drivers/net/arcnet/com20020-pci.c b/drivers/net/arcnet/com20020-pci.c
new file mode 100644
index 000000000000..96636ca8754e
--- /dev/null
+++ b/drivers/net/arcnet/com20020-pci.c
@@ -0,0 +1,189 @@
+/*
+ * Linux ARCnet driver - COM20020 PCI support
+ * Contemporary Controls PCI20 and SOHARD SH-ARC PCI
+ * 
+ * Written 1994-1999 by Avery Pennarun,
+ *    based on an ISA version by David Woodhouse.
+ * Written 1999-2000 by Martin Mares <mj@ucw.cz>.
+ * Derived from skeleton.c by Donald Becker.
+ *
+ * Special thanks to Contemporary Controls, Inc. (www.ccontrols.com)
+ *  for sponsoring the further development of this driver.
+ *
+ * **********************
+ *
+ * The original copyright of skeleton.c was as follows:
+ *
+ * skeleton.c Written 1993 by Donald Becker.
+ * Copyright 1993 United States Government as represented by the
+ * Director, National Security Agency.  This software may only be used
+ * and distributed according to the terms of the GNU General Public License as
+ * modified by SRC, incorporated herein by reference.
+ *
+ * **********************
+ *
+ * For more details, see drivers/net/arcnet.c
+ *
+ * **********************
+ */
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/ioport.h>
+#include <linux/slab.h>
+#include <linux/errno.h>
+#include <linux/netdevice.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <linux/arcdevice.h>
+#include <linux/com20020.h>
+
+#include <asm/io.h>
+
+
+#define VERSION "arcnet: COM20020 PCI support\n"
+
+/* Module parameters */
+
+static int node;
+static char device[9];          /* use eg. device="arc1" to change name */
+static int timeout = 3;
+static int backplane;
+static int clockp;
+static int clockm;
+
+module_param(node, int, 0);
+module_param_string(device, device, sizeof(device), 0);
+module_param(timeout, int, 0);
+module_param(backplane, int, 0);
+module_param(clockp, int, 0);
+module_param(clockm, int, 0);
+MODULE_LICENSE("GPL");
+
+static int __devinit com20020pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
+{
+        struct net_device *dev;
+        struct arcnet_local *lp;
+        int ioaddr, err;
+
+        if (pci_enable_device(pdev))
+                return -EIO;
+        dev = alloc_arcdev(device);
+        if (!dev)
+                return -ENOMEM;
+        lp = dev->priv;
+
+        pci_set_drvdata(pdev, dev);
+
+        // SOHARD needs PCI base addr 4
+        if (pdev->vendor==0x10B5) {
+                BUGMSG(D_NORMAL, "SOHARD\n");
+                ioaddr = pci_resource_start(pdev, 4);
+        }
+        else {
+                BUGMSG(D_NORMAL, "Contemporary Controls\n");
+                ioaddr = pci_resource_start(pdev, 2);
+        }
+
+        if (!request_region(ioaddr, ARCNET_TOTAL_SIZE, "com20020-pci")) {
+                BUGMSG(D_INIT, "IO region %xh-%xh already allocated.\n",
+                       ioaddr, ioaddr + ARCNET_TOTAL_SIZE - 1);
+                err = -EBUSY;
+                goto out_dev;
+        }
+
+        // Dummy access after Reset
+        // ARCNET controller needs this access to detect bustype
+        outb(0x00,ioaddr+1);
+        inb(ioaddr+1);
+
+        dev->base_addr = ioaddr;
+        dev->irq = pdev->irq;
+        dev->dev_addr[0] = node;
+        lp->card_name = "PCI COM20020";
+        lp->card_flags = id->driver_data;
+        lp->backplane = backplane;
+        lp->clockp = clockp & 7;
+        lp->clockm = clockm & 3;
+        lp->timeout = timeout;
+        lp->hw.owner = THIS_MODULE;
+
+        if (ASTATUS() == 0xFF) {
+                BUGMSG(D_NORMAL, "IO address %Xh was reported by PCI BIOS, "
+                       "but seems empty!\n", ioaddr);
+                err = -EIO;
+                goto out_port;
+        }
+        if (com20020_check(dev)) {
+                err = -EIO;
+                goto out_port;
+        }
+
+        if ((err = com20020_found(dev, SA_SHIRQ)) != 0)
+                goto out_port;
+
+        return 0;
+
+out_port:
+        release_region(ioaddr, ARCNET_TOTAL_SIZE);
+out_dev:
+        free_netdev(dev);
+        return err;
+}
+
+static void __devexit com20020pci_remove(struct pci_dev *pdev)
+{
+        struct net_device *dev = pci_get_drvdata(pdev);
+        unregister_netdev(dev);
+        free_irq(dev->irq, dev);
+        release_region(dev->base_addr, ARCNET_TOTAL_SIZE);
+        free_netdev(dev);
+}
+
+static struct pci_device_id com20020pci_id_table[] = {
+        { 0x1571, 0xa001, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
+        { 0x1571, 0xa002, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
+        { 0x1571, 0xa003, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
+        { 0x1571, 0xa004, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
+        { 0x1571, 0xa005, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
+        { 0x1571, 0xa006, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
+        { 0x1571, 0xa007, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
+        { 0x1571, 0xa008, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
+        { 0x1571, 0xa009, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_IS_5MBIT },
+        { 0x1571, 0xa00a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_IS_5MBIT },
+        { 0x1571, 0xa00b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_IS_5MBIT },
+        { 0x1571, 0xa00c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_IS_5MBIT },
+        { 0x1571, 0xa00d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_IS_5MBIT },
+        { 0x1571, 0xa201, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
+        { 0x1571, 0xa202, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
+        { 0x1571, 0xa203, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
+        { 0x1571, 0xa204, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
+        { 0x1571, 0xa205, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
+        { 0x1571, 0xa206, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
+        { 0x10B5, 0x9050, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
+        {0,}
+};
+
+MODULE_DEVICE_TABLE(pci, com20020pci_id_table);
+
+static struct pci_driver com20020pci_driver = {
+        .name           = "com20020",
+        .id_table       = com20020pci_id_table,
+        .probe          = com20020pci_probe,
+        .remove         = __devexit_p(com20020pci_remove),
+};
+
+static int __init com20020pci_init(void)
+{
+        BUGLVL(D_NORMAL) printk(VERSION);
+        return pci_module_init(&com20020pci_driver);
+}
+
+static void __exit com20020pci_cleanup(void)
+{
+        pci_unregister_driver(&com20020pci_driver);
+}
+
+module_init(com20020pci_init)
+module_exit(com20020pci_cleanup)